em-trak B923 Class B AIS Transceiver w/VHF Splitter – 2W CSTDMA
Featuring a VHF antenna splitter, the 2-watt CSTDMA em-trak B923 transmits and receives Class B AIS data through a streamlined installation. Shared antenna capability reduces equipment duplication, while target information helps operators monitor surrounding vessels and improve underway awareness.
EM-TRAK B923 Class B AIS (w/ VHF Splitter) Specifications
| Communication Type | Class B AIS Transceiver with Integrated Splitter |
| AIS Class/Protocol | CSTDMA (Standard Class B) |
| Output Power | 2W Output Power |
| Frequency Range | 156.025 – 162.025 MHz |
| Reporting Rate | 30 Seconds to 3 Minutes (Dynamic) |
| Operating Voltage | 12V / 24V DC Support |
| Current Draw | < 2.5A Peak / 230mA Average |
| Interface/Networking | NMEA 2000, NMEA 0183, USB Interface |
| Internal GPS | 72-Channel Integrated GNSS Receiver |
| Display Type | Multi-Color LED Status System |
| Waterproof Rating | IP67 Fully Waterproof |
| Operating Temperature | -25°C to +55°C Marine Grade |
| Length (Overall) | 150 mm (5.9") Compact Housing |
| Width/Diameter | 115 mm (4.5") Body Width |
| Weight | 0.42 kg (0.92 lbs) |
| Included Accessories | Power/Data Cable, FLEXI-FIX Bracket, GPS Antenna |
| Key Mechanical Feature | Zero-loss internal splitter for using existing VHF antenna |
Common Question of em-trak B923
What is the B923 transceiver?
The em-trak B923 is a Class B AIS transceiver with a VHF antenna splitter and 2W CSTDMA according to the listing. It transmits and receives compatible AIS data. Confirm GPS, antenna, display, power supply, wiring, programming, and marine AIS transceiver compatibility before installation.
Does it include WiFi?
No. The supplied title identifies a VHF splitter but does not list WiFi or Bluetooth connectivity for the B923. Confirm communication outputs, display connection, GPS source, antenna, power supply, wiring, and package contents before purchase.
What does CSTDMA provide?
CSTDMA identifies the listed Class B access method for AIS transmissions. Confirm the 2W transmission specification, regional requirements, antenna installation, GPS, vessel programming, display, and power supply before commissioning this Class B AIS transceiver.
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